Maybe it is the beautiful wooden limestone dales with rivers of the clearest water running through them.
Or the bleak and barren moorlands in the north of the area.
Beautiful still, but in a different sort of wild way, or could it be the friendly and welcoming people.
The stately homes in and around the area, wooded valleys, beautiful countryside attracting walkers and cyclists.
Gritstone edges popular with climbers and hang gliders.
Whatever the particular attraction is, millions of visitors flood to the Peak District Hotel every year.
Lying at the Southern end of the Pennines mountain range and covering an area of 555 square miles (1,440 km2), mostly in Derbyshire.
But also covering areas of West Yorkshire, South Yorkshire, Greater Manchester, Cheshire and Staffordshire.
The Peak District was the first area of Britain to be named a National Park in 1951.
The Peak District can effectively be split into two distinctly different areas.
The Dark Peak and the White Peak.
The Dark Peak dominates the northern part of the district with gritstone outcrops and edges.
Often bordering high altitude bleak peat moorlands; mostly used for rearing hardy sheep, and inhabited by a number of game birds such as grouse.
The White Peak is predominately in the southern part of the district whose name derives from the light colour of the limestone hills and dales.
And criss-crossed by a maze of limestone dry stone walling; this is pasture land and is favoured by cattle rearers.
Millions of visitors come to the area every year to make use of the many outdoor activities available in the Peak District.